The Khronos Group - a non-profit industry consortium to develop, publish and promote open standard, royalty-free media authoring and acceleration standards for desktop and handheld devices, combined with conformance qualification programs for platform and device interoperability.

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HLSL2GLSL is an open source tool that translates DirectX 9 HLSL shaders into the OpenGL Shading Language (GLSL). The new v0.9 has been released with many options that will support shaders that are compatible with OpenGL ES 2.0 (OpenGL ES 2.0 implementations are on track for release in early 2007). Specifically, HLSL2GLSL can generate shaders that use only user attributes and user varyings (required by OpenGL ES Shading Language v1.00). In addition, it can prepend a default precision qualifier as required by ES v1.00 for fragment shaders.